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Multipoint Curvature Sensing with Multicore Fiber Bragg Gratings and Two-Photon Absorption Process in Si-APD

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Abstract

Multipoint curvature sensing with multicore fiber Bragg gratings is realized using intensity correlation measurement based on two-photon absorption process in Si-APD, where reflection spectra from multiple gratings with almost the same Bragg wavelengths are discriminated.

© 2021 The Author(s)

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